Abstract

beta-Glucan is a major component of the cell walls and pathogen-associated microbial patterns of fungi. We previously reported the presence of an antibody which reacts to beta-glucan, anti-beta-glucan (BG) antibody, in human sera. In livestock and domestic pets, the antibody's response to fungal cell wall beta-glucan is little understood. In this study, we examined the existence and reactivity of anti-BG antibody in various animal species. We demonstrated the presence of the anti-BG antibody in each animal's serum. Individual differences in the titer existed. The antibody was highly reactive to Candida solubilized cell wall beta-glucan (CSBG) while reacting little to grifolan (GRN) from Grifola frondosa. This suggested that the anti-BG antibody interacted with fungal cell wall beta-glucan and participated in the immune-response to pathogenic fungi.

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